CA2686982C - Systeme et procede de reduction des emissions de nox provenant d'un systeme de combustion a lit fluidise - Google Patents

Systeme et procede de reduction des emissions de nox provenant d'un systeme de combustion a lit fluidise Download PDF

Info

Publication number
CA2686982C
CA2686982C CA2686982A CA2686982A CA2686982C CA 2686982 C CA2686982 C CA 2686982C CA 2686982 A CA2686982 A CA 2686982A CA 2686982 A CA2686982 A CA 2686982A CA 2686982 C CA2686982 C CA 2686982C
Authority
CA
Canada
Prior art keywords
conduit
reactant
outer conduit
ports
reducing system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA2686982A
Other languages
English (en)
Other versions
CA2686982A1 (fr
Inventor
Iqbal F. Abdulally
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GE Vernova GmbH
Original Assignee
Alstom Technology AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alstom Technology AG filed Critical Alstom Technology AG
Publication of CA2686982A1 publication Critical patent/CA2686982A1/fr
Application granted granted Critical
Publication of CA2686982C publication Critical patent/CA2686982C/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • B01D53/79—Injecting reactants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C10/00—Fluidised bed combustion apparatus
    • F23C10/02—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed
    • F23C10/04—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone
    • F23C10/08—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases
    • F23C10/10—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases the separation apparatus being located outside the combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/003—Arrangements of devices for treating smoke or fumes for supplying chemicals to fumes, e.g. using injection devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2062—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/404—Nitrogen oxides other than dinitrogen oxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/12—Methods and means for introducing reactants

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Treating Waste Gases (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
CA2686982A 2007-05-10 2008-04-21 Systeme et procede de reduction des emissions de nox provenant d'un systeme de combustion a lit fluidise Expired - Fee Related CA2686982C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/747,010 2007-05-10
US11/747,010 US8555797B2 (en) 2007-05-10 2007-05-10 System and method for decreasing NOx emissions from a fluidized bed combustion system
PCT/US2008/060995 WO2008140899A1 (fr) 2007-05-10 2008-04-21 Système et procédé de réduction des émissions de nox provenant d'un système de combustion à lit fluidisé

Publications (2)

Publication Number Publication Date
CA2686982A1 CA2686982A1 (fr) 2008-11-20
CA2686982C true CA2686982C (fr) 2013-04-16

Family

ID=39636868

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2686982A Expired - Fee Related CA2686982C (fr) 2007-05-10 2008-04-21 Systeme et procede de reduction des emissions de nox provenant d'un systeme de combustion a lit fluidise

Country Status (10)

Country Link
US (1) US8555797B2 (fr)
EP (1) EP2152388B1 (fr)
CN (1) CN101687142B (fr)
CA (1) CA2686982C (fr)
ES (1) ES2575362T3 (fr)
HR (1) HRP20160619T1 (fr)
HU (1) HUE028279T2 (fr)
PL (1) PL2152388T3 (fr)
TW (1) TWI365099B (fr)
WO (1) WO2008140899A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102302893B (zh) * 2011-06-20 2014-10-29 中国华能集团清洁能源技术研究院有限公司 一种用于循环流化床锅炉的选择性非催化还原脱硝方法
US8501131B2 (en) * 2011-12-15 2013-08-06 General Electric Company Method and apparatus to inject reagent in SNCR/SCR emission system for boiler
RS58920B1 (sr) * 2016-06-20 2019-08-30 Steinmueller Eng Gmbh Sistem brizgalica, kotao sa sistemom brizgalica i postupak za redukciju nox
CN110986025B (zh) * 2019-12-10 2022-02-25 清远市精旺环保设备有限公司 一种挡板式二次燃烧室

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4985218A (en) 1989-03-03 1991-01-15 Fuel Tech, Inc. Process and injector for reducing the concentration of pollutants in an effluent
EP0432166A1 (fr) 1989-07-04 1991-06-19 Fuel Tech Europe Limited Appareil d'injection du type a lance pour introduire des agents chimiques dans des gaz de fumee
US5462718A (en) 1994-06-13 1995-10-31 Foster Wheeler Energy Corporation System for decreasing NOx emissions from a fluidized bed reactor
US5681536A (en) * 1996-05-07 1997-10-28 Nebraska Public Power District Injection lance for uniformly injecting anhydrous ammonia and air into a boiler cavity
FR2775061B1 (fr) 1998-02-16 2000-03-10 Gec Alsthom Stein Ind Chaudiere a lit fluidise circulant a reduction d'oxydes d'azote amelioree
US6569388B1 (en) * 1999-07-28 2003-05-27 The Ohio State University Research Foundation Carbonation ash reactivation process and system for combined SOx and NOx removal
US6960329B2 (en) 2002-03-12 2005-11-01 Foster Wheeler Energy Corporation Method and apparatus for removing mercury species from hot flue gas
US8353698B2 (en) * 2003-06-13 2013-01-15 Nalco Mobotec, Inc. Co-axial injection system
FR2887322B1 (fr) 2005-06-15 2007-08-03 Alstom Technology Ltd Dispositif a lit fluidise circulant pourvu d'un foyer de combustion a l'oxygene

Also Published As

Publication number Publication date
PL2152388T3 (pl) 2016-08-31
EP2152388B1 (fr) 2016-03-16
HRP20160619T1 (hr) 2016-07-01
WO2008140899A8 (fr) 2010-01-28
TW200911351A (en) 2009-03-16
US8555797B2 (en) 2013-10-15
WO2008140899A1 (fr) 2008-11-20
CA2686982A1 (fr) 2008-11-20
EP2152388A1 (fr) 2010-02-17
CN101687142A (zh) 2010-03-31
US20080276842A1 (en) 2008-11-13
HUE028279T2 (en) 2016-12-28
TWI365099B (en) 2012-06-01
CN101687142B (zh) 2013-10-23
ES2575362T3 (es) 2016-06-28

Similar Documents

Publication Publication Date Title
CN1122782C (zh) 喷射氮氧化物还原剂的方法和装置
US8017084B1 (en) Ammonia injection grid for a selective catalytic reduction system
US6887435B1 (en) Integrated air foil and ammonia injection grid for SCR systems
DK2496336T3 (en) SYSTEM AND PROCEDURE FOR GASIZING AUROUS UREA FOR AMMONIA VAPE USING SECONDARY Flue gases
US9649604B2 (en) Injector grid with two stage mixer
EP2623181B1 (fr) Agencement pour injecter un agent réducteur dans un gaz de fumée
JP2016536555A (ja) 高粉塵環境及び低粉塵環境の選択触媒還元システム用の注入器グリッド
CA2686982C (fr) Systeme et procede de reduction des emissions de nox provenant d'un systeme de combustion a lit fluidise
US20150260071A1 (en) Compact Selective Catalytic Reduction System for Nitrogen Oxide Reduction in the Oxygen-Rich Exhaust of 500 to 4500 kW Internal Combustion Engines
CN102512953A (zh) Cfb锅炉scr脱硝工艺及脱硝装置
CN103252163B (zh) 一种氨剂喷射组合内置式催化反应去除烟气中nox的装置
CN106310933A (zh) 一种用于水煤浆锅炉的烟气脱硝系统及烟气脱硝的方法
CN101056703B (zh) Sncr分布栅板
CN108905567B (zh) 一种陶瓷生产的烟气处理系统
CN107166376A (zh) 基于旋风分离器的流化床锅炉脱硝装置和脱硝方法
Prins et al. Design and experience with catalytic reactors for SCR-DENOX
CA2783884C (fr) Procedes et systemes d'amelioration des processus de combustion
CN207680375U (zh) 一种沸腾炉用烟气脱硝系统
CN220990281U (zh) 一种均匀布水的脱硫脱硝反应器
CN215428161U (zh) 一种高效脱硫脱硝一体化塔
CN215842430U (zh) 一种scr与sncr联合的工业烟气脱硝装置
CN111957205B (zh) 水泥窑高温高尘scr脱硝系统
CN121139992A (zh) 一种循环流化床锅炉风室与低温蒸汽协同脱硝系统及方法
Czarnecki et al. Emerging challenges and design strategies for SCR systems
CN120646939A (zh) 基于余热驱动的化工废氨水处理系统及方法

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20190423